Vector Algebra: Kerala HSE Previous Year Questions (2010–2025)

A curated collection of previous year questions from Kerala Higher Secondary Examinations (2010–2025) covering core Vector Algebra concepts: vector operations, dot and cross products, projections, collinearity, coplanari…

• Dot product $\vec{a}\cdot\vec{b}=|\vec{a}||\vec{b}|\cos\theta$ is a scalar; cross product…
• In components, $\vec{a}\cdot\vec{b}=a_1b_1+a_2b_2+a_3b_3$.
• Cross product in components is the determinant with rows $\hat{i},\hat{j},\hat{k}$; $a_1,a_2,a_3$; $b_1,b_2,b_3$.

Full explanation, worked examples & memory tricks in the app